Redundant promoter elements mediate IL-3-induced expression of a novel cytokine-inducible gene, cyclon

被引:20
|
作者
Hoshino, Akemi [1 ]
Fujii, Hodaka [1 ]
机构
[1] NYU, Sch Med, Dept Pathol, New York, NY 10016 USA
关键词
cytokine; IL-3; immediate-early genes; expression regulation;
D O I
10.1016/j.febslet.2007.01.083
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Cytokines control cell differentiation, proliferation, and function by regulating gene expression program. Physiological roles and induction mechanisms of cytokine-inducible genes are not fully understood. Here, we identified a novel immediate-early cytokine-responsive gene, cyclon (atokine-induced protein with coiled-coil domain), which is induced in a hematopoietic cell line by interleukin 3 (IL-3). cyclon gene encodes a phosphorylated nuclear protein consisting of repetitive sequences in the amino-terminus and a coiled-coil domain in the carboxyl-terminus. A novel transient reporter assay revealed that mouse cyclon promoter contains redundant elements for IL-3-induced gene expression. (c) 2007 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:975 / 980
页数:6
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